Home / 14,029.80-21,044.70-8,183.40

Finding the Fourth Proportional to 14,029.80, 21,044.70 and 8,183.40

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Solution

The fourth proportional to 14,029.80, 21,044.70 and 8,183.40 is: 12,275.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,029.80 : 21,044.70 = 8,183.40 : x
  2. Step 2: Convert to fraction form
    14,029.80/21,044.70 = 8,183.40/x
  3. Step 3: Cross multiply
    14,029.80x = 21,044.70 × 8,183.40
  4. Step 4: Simplify right side
    14,029.80x = 172,217,197.98
  5. Step 5: Solve for x
    x = 172,217,197.98/14,029.80
  6. Step 6: Final answer
    x = 12,275.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.